Sony MDR-HW300K Digital Wireless Headphones

High quality signal and sound
The MDR-HW300K wireless headphone system transmits an uncompressed 2.4 GHz signal to reduce unwanted interference while the real-time automatic channel tuning prevents signal degradation. These features allow the system to deliver high quality sound without outside interference.
Enjoy broad frequency response
The large 40mm driver units with neodymium magnets deliver broad, balanced, and accurate sound for an exceptional wireless listening experience. You can enjoy 20 - 22,000 Hz frequency response when listening wirelessly or extend the bass frequency response even further from 10 - 22,000 Hz when connected using the supplied audio cable.
Long battery life
The built-in, rechargeable Lithium-Ion battery provides up to 10 hours of continuous playback on a full charge.1 The MDR-HW300K headphones can even be used while charging using the included micro-USB cable, full charging capacity takes approximately 3 hours.
Passive listening mode
Enjoy the convenience of passive mode, enabling you to use the headphones in a conventional corded manner with the included stereo cable. This ensures you can continue your listening without the need to charge the battery.
Compact signal transmitter
The MDR-HW300K includes a compact signal transmitter with power indicator and an easy to use 1/8" stereo input cable for your convenience.
Designed for comfort
The MDR-HW300K wireless headphones not only sound great, but they are also extremely comfortable and stylish thanks to their light-weight, adjustable padded headband and swivel style ear-cup design.